package main

import "fmt"

// Confinement is the simple yet powerful idea of ensuring information is only ever
// available from one concurrent process.

// When this is achieved, a concurrent program
//is implicitly safe and no synchronization is needed.

// Ad hoc confinement is when you achieve confinement through a convention—
// whether it be set by the languages community, the group you work within, or the
// codebase you work within
func main() {
	data := make([]int, 4)
	loopData := func(handleData chan<- int) {
		defer close(handleData)
		for i := range data {
			handleData <- data[i]
		}
	}
	handleData := make(chan int)
	go loopData(handleData)
	for num := range handleData {
		fmt.Println(num)
	}
}